基于浮现的冰川生态系统服务的评估:西藏高原的一个案例
Can Zhang1, Bo Su2, Michael Beckmann3
1Department of Land Resource Management, School of Public Administration, China University of Geosciences, Wuhan 430074, China; Department of Computational Landscape Ecology, Helmholtz Centre for Environmental Research - UFZ, 04318 Leipzig, Germany.
Journal of environmental management
|January 7, 2025
概括
西藏高原的冰川生态系统服务 (ES) 略有增加,主要是由于气候调节和水力发电. 这项研究为评估冰川ES提供了一个框架,以支持保护工作.
科学领域:
- 环境科学 环境科学
- 生态系统服务的估值
- 冰川学的冰川学
背景情况:
- 冰川提供了人类社会至关重要的基本生态系统服务 (ES).
- 全球变暖迫切需要对冰川ES进行评估,以告知保护战略.
- 目前缺乏系统的估值,特别是从ES贡献者的角度来看.
研究的目的:
- 引入emergy作为计算冰川ES值的方法框架.
- 在21世纪初对西藏高原 (TP) 上的冰川ES的时空特征进行全面评估.
主要方法:
- 在开发方法论框架时,利用了新兴的概念.
- 在西藏高原 (TP) 进行了空间时间ES评估的案例研究.
- 分析了从2000年代到2010年代的冰川ES值.
主要成果:
- 从2000年代 (每年2.36E+24) 到2010年代 (每年2.40E+24) 的时间,TP上的冰川ES总值增加了1.6%.
- 2010年代的关键服务是气候调节 (66.1%),排水调节 (18.4%) 和水电发电 (7.8%).
- 边缘TP显示的冰川ES值明显高于endorheic区域;大多数服务,包括文化服务,显示增长.
结论:
- 该研究建立了评估区域和全球冰川ES.ES.的方法论基础.
- 这些发现为区域保护冰川资源提供了科学基础.
- 基于新兴的框架提供了一种新的方法来量化冰川生态系统服务的价值.
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